<ul class="list-group">
    <li class="list-group-heading">{:__('安全中心')}</li>
    <li class="list-group-item {:$controllername=='twostep'?'active':''}"><a href="{:url('index/twostep/set')}"><i class="fa fa-shield fa-fw"></i> {:__('两步验证')}</a></li>
</ul>